3-Mercapto-1-propanol CAS 19721-22-3

Purity >90%In StockPharmaceutical Standards
CAS No.19721-22-3
Molecular FormulaC3H8OS
Molecular Weight92.16 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

3-Mercapto-1-propanol CAS 19721-22-3 chemical structure

Description

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

CATO supplies 3-Mercapto-1-propanol (CAS 19721-22-3), a certified reference material (molecular formula C3H8OS, MW 92.16 g/mol) for analytical method development and quality control.

Structurally, 3-Mercapto-1-propanol (C3H8OS) contains sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 0.0, corresponding to approximately 0 ring(s) or double-bond equivalent(s). With a molecular weight of 92.16 g/mol, it falls into the low-molecular-weight range.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

Physical & Chemical Properties

Molecular FormulaC3H8OS
Molecular Weight92.16 g/mol
Purity>90%
StorageStore at 2-8°C
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityStable under recommended storage conditions
Degree of Unsaturation (DBE)0.0
CAS Registry Year (est.)1962
Sulfur Atoms1

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